diff --git a/Gemfile.lock b/Gemfile.lock
index ae2cbdd0..810bfda3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
       date
       stringio
     public_suffix (6.0.1)
-    puma (6.5.0)
+    puma (6.6.0)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)